CVE-2026-100261 Missing authorization in YouTrack
Attackers can modify article visibility settings in JetBrains YouTrack without having the required update permission.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-100261?
CVE-2026-100261 is a medium-severity missing authorization vulnerability in Jetbrains Youtrack, published on 30 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In JetBrains YouTrack before 2026.2.18991 changing article visibility settings was possible without update permission
Weakness: CWE-288
Which versions are affected by CVE-2026-100261?
It affects 1 product.
Products include Jetbrains Youtrack.
How do I fix CVE-2026-100261?
No fix has been published for CVE-2026-100261 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-100261 being exploited?
There is no known exploitation of CVE-2026-100261 in the wild and no public exploit code.
Other vulnerabilities in Jetbrains Youtrack
Sources
Also known as GHSA-xpcv-h458-r782.